{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{7}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}&\multicolumn{1}{c}{(7)}\\
                &\multicolumn{1}{c}{\( D_t^{(2Y)} \)}&\multicolumn{1}{c}{\( D_t^{(3Y)} \)}&\multicolumn{1}{c}{\( D_t^{(5Y)} \)}&\multicolumn{1}{c}{\( D_t^{(7Y)} \)}&\multicolumn{1}{c}{\( D_t^{(10Y)} \)}&\multicolumn{1}{c}{\( D_t^{(30Y)} \)}&\multicolumn{1}{c}{Pool \( D_t\)}\\
\hline
Bid-to-Cover    &    -0.74***&    -1.51***&    -1.25***&    -5.67***&    -2.66***&    -4.22***&    -1.64***\\
                &   (0.18)   &   (0.27)   &   (0.23)   &   (1.22)   &   (0.45)   &   (1.23)   &   (0.17)   \\
\hline
Obs.            &      255   &      134   &      233   &      106   &      186   &      132   &     1046   \\
\( R^{2}\)      &     0.08   &     0.23   &     0.10   &     0.28   &     0.17   &     0.21   &     0.12   \\
\hline\hline
\end{tabular}
}
